AU - Leung AC, Pion Kao CC TI - PIcture of the month PT - JOUR DP - 2000 TA - Archives of Pediatrics & Adolescent Medicine pages = {309}, VI - 154 IP - 3 AID - 10.1001/archpedi.154.3.309 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.154.3.309 SO - Archives of Pediatrics & Adolescent Medicine March 1, 2000 154(3):309